CN220560981U - Positioning fixture for shaft fork machining - Google Patents
Positioning fixture for shaft fork machining Download PDFInfo
- Publication number
- CN220560981U CN220560981U CN202321970035.9U CN202321970035U CN220560981U CN 220560981 U CN220560981 U CN 220560981U CN 202321970035 U CN202321970035 U CN 202321970035U CN 220560981 U CN220560981 U CN 220560981U
- Authority
- CN
- China
- Prior art keywords
- shaft fork
- plate
- positioning
- shaft
- rod part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000003754 machining Methods 0.000 title claims abstract description 16
- 238000003825 pressing Methods 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 abstract description 13
- 230000005540 biological transmission Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000003801 milling Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000013386 optimize process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
Landscapes
- Automatic Tool Replacement In Machine Tools (AREA)
Abstract
The utility model provides a positioning fixture for shaft fork machining, which comprises a horizontally arranged bottom plate, wherein one end of the bottom plate is provided with a positioning pin for being installed in a positioning hole of a machine tool; a base plate is fixedly arranged at the top of the base plate at the position corresponding to the positioning pin, and a positioning column for fixing two earholes of the shaft fork is fixedly arranged at the top end of the base plate, and the diameter length of the positioning column is smaller than that of the earholes of the shaft fork; a ball screw is horizontally arranged in the bottom plate, a sliding plate is horizontally arranged on the upper nut of the ball screw, and the ball screw rotates to drive the sliding plate to move in the horizontal direction; an L-shaped vertical plate and a micro cylinder are sequentially and horizontally arranged on the sliding plate, and an arc-shaped groove matched with the shaft fork rod part is formed in the top end of the L-shaped vertical plate; the top end of the pull rod of the micro cylinder is provided with a pressing plate for fixing the top of the fork rod part. The positioning device can position each position of the shaft fork rod part, and solves the technical problem that the fixed position of the shaft fork rod part is positioned so that the shaft fork rod part is inconvenient to process.
Description
Technical Field
The utility model relates to the technical field of shaft yoke processing equipment of transmission shafts, in particular to a positioning clamp for shaft yoke processing.
Background
The shaft fork is an important component part of the transmission shaft assembly, and is matched with the spline housing of the transmission shaft assembly to form a sliding pair, so that an important effect is achieved in the expansion and contraction of the transmission shaft assembly. The processing quality of the shaft fork directly influences the telescopic function and the service life of the transmission shaft assembly. The traditional process flow for processing the outer side surfaces of two lugs of the shaft fork is to drill bottom holes of the two lugs first, and the composite drill bit for drilling the bottom holes is used for simultaneously roughing the outer side end surfaces of the two lugs. And turning the clamp spring grooves at the two ends, the side surfaces and the chamfer angles on the lathe twice, wherein one end of each turning is turned. The original process method for machining the shaft fork lug hole and the two side surfaces has the following defects: 1. the clamp spring groove, the side surface and the lug hole are completed in two working procedures, and coaxiality errors exist in the clamp spring groove, the side surface and the lug hole through two positioning; 2. turning the clamp spring grooves and the side surfaces at the two ends of the vehicle, and actually completing the clamping twice, wherein the clamping is carried out once, so that accumulated errors exist in the clamp spring grooves and the side surfaces at the two ends.
The company provides a fixture for machining the side face of the shaft fork with the publication number of CN209465991U, which can ensure the symmetry requirements of the outer side faces of two lugs of the shaft fork and the coaxiality of lug holes and clamp spring grooves according to the existing machine tool equipment conditions, and optimize the process flow of the shaft fork machining. However, in the subsequent processing process, a certain problem is found in the fixture, namely, the fixed position of the rod part of the shaft fork is fixed by the L-shaped vertical plate, namely, the pressing plate of the micro cylinder, and the problem that the fixed position is inconvenient to process exists, so that the shaft fork processing effect is not good enough.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides a positioning clamp for shaft fork machining, which can position each position of a shaft fork rod part and solve the technical problem that the shaft fork rod part is inconvenient to machine because the fixed position of the shaft fork rod part is positioned.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the positioning clamp for shaft fork machining comprises a bottom plate which is horizontally arranged, wherein one end of the bottom plate bottom is provided with a positioning pin which is used for being installed in a positioning hole of a machine tool; a base plate is fixedly arranged at the top of the base plate at the position corresponding to the positioning pin, and a positioning column for fixing two earholes of the shaft fork is fixedly arranged at the top end of the base plate, and the diameter length of the positioning column is smaller than that of the earholes of the shaft fork; a ball screw is horizontally arranged in the bottom plate, a sliding plate is horizontally arranged on a nut on the ball screw, and the ball screw rotates to drive the sliding plate to move in the horizontal direction; an L-shaped vertical plate and a micro cylinder are sequentially and horizontally arranged on the sliding plate, and an arc-shaped groove matched with the shaft fork rod part is formed in the top end of the L-shaped vertical plate; the top end of the pull rod of the micro cylinder is provided with a pressing plate for fixing the top of the fork rod part of the shaft.
Preferably, the pressing plate is connected with the pull rod of the micro cylinder through threads, and a locking nut is arranged at the top end of the pull rod.
Preferably, a limiting column used for limiting the lateral surface of the shaft fork rod part is vertically arranged on the sliding plate close to the miniature cylinder.
Preferably, the top end of the backing plate is provided with a groove which is matched with the outer side contour of the shaft fork ear.
Preferably, the screw rod of the ball screw rod penetrates through the side wall far away from one end of the locating pin, and a knob is arranged at the end part of the screw rod.
According to the technical scheme, the utility model has the beneficial effects that:
the positioning tool can adjust the position of the limiting component in the horizontal direction, can position each position of the shaft fork rod part, solves the technical problem that the fixed position of the shaft fork rod part is positioned so as to be inconvenient to process, and greatly improves the processing effect of the shaft fork. The utility model can improve the production efficiency, avoid the installation error caused by multiple installation, greatly improve the quality of products, effectively ensure the symmetry requirement of the outer side surfaces of two lugs of the shaft fork and the coaxiality of the lug holes and the clamp spring grooves by the optimized process sequence, and ensure that the novel tool is directly installed on the same machine tool with the previous working procedure, thereby saving the use of the machine tool.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a front view of the fork of the present utility model.
The marks in the figure: 1. a shaft fork; 2. positioning columns; 3. a backing plate; 4. the device comprises a positioning pin, a 5L-shaped vertical plate, a 6 sliding plate, a 7 micro cylinder, a 8 bottom plate, a 9 knob, a 10 ball screw, a 11 limit column, a 12 pressing plate, a 13 pull rod, a 14 locking nut.
Detailed Description
The utility model will be described in further detail with reference to the accompanying drawings and specific examples.
The structures, proportions, sizes, etc. shown in the drawings are shown only in connection with the present disclosure, and are therefore not intended to limit the scope of the utility model, since any modification, variation in proportions, or adjustment of the size, which would otherwise be used by those skilled in the art, would not have the essential significance of the present disclosure, would still fall within the scope of the present disclosure without affecting the efficacy or achievement of the present disclosure.
Meanwhile, unless otherwise indicated, the meaning of "plurality" is two or more; the terms "upper," "lower," "left," "right," "front," "rear," and the like refer to an orientation or positional relationship based on that shown in the drawings, for convenience of description and simplicity of description, and do not necessarily indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model. Changes or modifications in the relative relationships thereof without materially altering the technical content are also considered to be within the scope of the utility model as it may be practiced.
It should be noted that, parts not described in detail in this application are all prior art.
Referring to fig. 1-2, specific embodiments are as follows: the utility model provides a positioning fixture for shaft fork processing, includes the bottom plate 8 of level setting, bottom plate 8 bottom one end is equipped with and is used for installing the locating pin 4 in the locating hole of lathe. The base plate 3 is fixedly arranged at the top of the base plate 8 at the position corresponding to the positioning pin 4, and a groove matched with the outer side contour of the ear of the shaft fork 1 is formed at the top end of the base plate 3, so that the shaft fork 1 can be better fixed.
The top end of the backing plate 3 is fixedly provided with a positioning column 2 for fixing two earholes of the shaft fork 1, and the diameter length of the positioning column 2 is smaller than that of the earholes of the shaft fork 1. The ball screw 10 is horizontally arranged in the bottom plate 8, a screw rod of the ball screw 10 penetrates through a side wall far away from one end of the positioning pin 4, a knob 9 is arranged at the end of the screw rod, and the nut of the ball screw 10 can linearly move in the horizontal direction by rotating the knob 9.
The sliding plate 6 is horizontally arranged on the nut on the ball screw 10, and the ball screw 10 rotates to drive the sliding plate 6 to move in the horizontal direction. The sliding plate 6 is sequentially and horizontally provided with an L-shaped vertical plate 5, a micro cylinder 7 and a limiting column 11.
The top of the L-shaped vertical plate 5 is provided with an arc-shaped groove matched with the rod part of the shaft fork 1, so that the rod part of the shaft fork 1 can be supported and fixed better. The top end of a pull rod 13 of the micro cylinder 7 is provided with a pressing plate 12 for fixing the top of the rod part of the shaft fork 1. The pressing plate 12 is connected with a pull rod 13 of the micro air cylinder 7 through threads, and a locking nut 14 is arranged at the top end of the pull rod 13 and used for locking the pressing plate 12. The limiting column 11 is used for limiting the side face of the rod part of the shaft fork 1.
In specific implementation, rough and fine boring is carried out on two earholes on a first station of a machine tool, machining of clamp spring groove cutting, chamfering and milling is carried out, after the machining is completed, the locating pin 4 is used for obtaining a correct position of the bottom plate 8 on the machine tool, the locating pin 4 is firstly placed in the locating hole of the machine tool, the bottom plate 8 is fixed, one end of the outer side face milled in the previous process is downwards located through the locating column 2, the milled face is located with the bottom plate 8 (the locating column 2 is placed in the two earholes of the shaft fork 1), the rod part of the shaft fork 1 is placed in the groove of the L-shaped vertical plate 5, the shaft fork 1 is supported by the L-shaped vertical plate 5, then the pressing plate 12 is rotated, the pressing plate 12 is pressed on the limiting column 11, then the locking nut 14 is screwed, at the moment, the bottom surface of the pressing plate 12 is contacted with the rod part of the shaft fork 1, the height of the limiting column 11 is the same as the height of the rod part of the shaft fork 1, when the shaft fork 1 is pressed, the pulling rod 13 of the micro cylinder 7 is used for preventing the shaft fork 1 from being excessively contracted to be inclined in the horizontal direction, the shaft fork 1 is further prevented, the other side face is not contracted, the other end face is pressed, and then the milling cutter is accurately pressed on the shaft fork 1, and the pressing plate 13 is pressed on the other side face is accurately, and the milling cutter is pressed.
After machining, the lock nut 14 is unscrewed, the knob 9 is rotated to adjust the position of the sliding plate 6, the limiting part on the sliding plate 6 limits and fixes the rod part of the shaft fork 1 after machining, and the milling cutter of the machine tool is started to finish-mill the fixed part of the shaft fork 1. After the processing is finished, the lock nut is unscrewed, the pressing plate 12 is rotated away from the upper portion of the rod portion of the shaft fork 1, and then the shaft fork 1 is taken out.
The utility model can improve the production efficiency, avoid the installation error caused by repeated installation, greatly improve the quality of products, effectively ensure the symmetry requirement of the outer side surfaces of two ears of the shaft fork 1 and the coaxiality of the earholes and the clamp spring grooves by the optimized process sequence, and ensure that a new tool is directly installed on the same machine tool with the previous working procedure, thereby saving the use of the machine tool. And the position of the limiting component can be adjusted in the horizontal direction, each position of the shaft fork rod part can be positioned, the technical problem that the fixed position of the shaft fork rod part is positioned so that the shaft fork is inconvenient to process is solved, and the processing effect of the shaft fork is greatly improved.
While the utility model has been described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the utility model, and it is intended that the utility model is limited only by the specific embodiments described above.
Claims (5)
1. Positioning fixture is used in yoke processing, its characterized in that: the device comprises a bottom plate (8) which is horizontally arranged, wherein one end of the bottom plate (8) is provided with a positioning pin (4) which is used for being installed in a positioning hole of a machine tool; a base plate (3) is fixedly arranged at the top of the bottom plate (8) corresponding to the positioning pin (4), positioning columns (2) for fixing two earholes of the shaft fork (1) are fixedly arranged at the top end of the base plate (3), and the diameter length of each positioning column (2) is smaller than that of each earhole of the shaft fork (1); a ball screw (10) is horizontally arranged in the bottom plate (8), a sliding plate (6) is horizontally arranged on a nut on the ball screw (10), and the ball screw (10) rotates to drive the sliding plate (6) to move in the horizontal direction; an L-shaped vertical plate (5) and a micro cylinder (7) are sequentially and horizontally arranged on the sliding plate (6), and an arc-shaped groove matched with the rod part of the shaft fork (1) is formed in the top end of the L-shaped vertical plate (5); the top end of a pull rod (13) of the micro cylinder (7) is provided with a pressing plate (12) for fixing the top of the rod part of the shaft fork (1).
2. The positioning fixture for shaft yoke machining according to claim 1, wherein: the pressing plate (12) is connected with a pull rod (13) of the micro cylinder (7) through threads, and a locking nut (14) is arranged at the top end of the pull rod (13).
3. The positioning fixture for shaft yoke machining according to claim 1, wherein: and a limiting column (11) for limiting the side surface of the rod part of the shaft fork (1) is vertically arranged on the sliding plate (6) close to the miniature cylinder (7).
4. The positioning fixture for shaft yoke machining according to claim 1, wherein: the top end of the backing plate (3) is provided with a groove which is matched with the outer side contour of the ear of the shaft fork (1).
5. The positioning fixture for shaft yoke machining according to claim 1, wherein: the screw rod of ball screw (10) passes the lateral wall that keeps away from locating pin (4) one end, the tip of screw rod is equipped with knob (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321970035.9U CN220560981U (en) | 2023-07-26 | 2023-07-26 | Positioning fixture for shaft fork machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321970035.9U CN220560981U (en) | 2023-07-26 | 2023-07-26 | Positioning fixture for shaft fork machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220560981U true CN220560981U (en) | 2024-03-08 |
Family
ID=90093008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321970035.9U Active CN220560981U (en) | 2023-07-26 | 2023-07-26 | Positioning fixture for shaft fork machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220560981U (en) |
-
2023
- 2023-07-26 CN CN202321970035.9U patent/CN220560981U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201102145Y (en) | Bottom sleeve borehole fixture | |
| CN204094158U (en) | Multi-cutter machining tool | |
| CN101417395A (en) | Bottom sleeve drilling tool | |
| CN220560981U (en) | Positioning fixture for shaft fork machining | |
| CN107891273B (en) | Multi-station machining forming hole intelligent equipment | |
| CN211218801U (en) | Cambered surface drilling device | |
| CN103433767A (en) | Milling clamp for microscope zoom support | |
| CN110961696B (en) | Clamp for multi-angle drilling | |
| CN110576201B (en) | Multi-station feeding type drilling machine | |
| CN210524033U (en) | Brass joint thread machining equipment | |
| CN206839578U (en) | Air compressor machine housing drilling and tapping all-in-one | |
| CN108237408B (en) | Rotary machining center fixture | |
| CN216966988U (en) | Machining clamp capable of adjusting levelness and rotation degree of workpiece | |
| CN216938495U (en) | Non-standard long drill rod machining tool for interval coaxial double-hole drilling of workpiece | |
| CN220445124U (en) | Positioning and aligning mechanism for drilling on external surface of internal spline cylinder | |
| CN217942557U (en) | Deep and narrow cavity double-sided flat machining head | |
| CN220347748U (en) | Double-exchange workbench of high-speed machining center | |
| CN218799188U (en) | High chamfer sword of suitability | |
| CN220050938U (en) | Machining tool with good workpiece clamping stability | |
| CN216939489U (en) | Frock clamp of fixed connector | |
| CN220994799U (en) | Limiting device for electric hand drill | |
| CN212761330U (en) | External correcting device of adapter plate | |
| CN220547933U (en) | Vertical turning mold | |
| CN219900270U (en) | Taper hole structure of transmission assembly | |
| CN216577175U (en) | Opposite vertex fixture mechanism and machine tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |